基于保偏光子晶体光纤的高灵敏度曲率传感器

陈大凤; 鲁平; 刘德明

doi:10.7510/jgjs.issn.1001-3806.2015.04.004

基于保偏光子晶体光纤的高灵敏度曲率传感器

1.
华中科技大学光学与电子信息学院下一代互联网接入国家工程实验室, 武汉 430074

作者简介: 陈大凤(1989-),女,硕士研究生,现主要从事光纤传感的研究。.

通讯作者: 鲁平, pluriver@mail.hust.edu.cn ;

基金项目:
国家自然科学基金资助项目(61275083)
中图分类号: TP212

Highly sensitive curvature sensors based on polarization-maintaining photonic crystal fibers

1.
National Engineering Laboratory for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China

Corresponding author: LU Ping, pluriver@mail.hust.edu.cn ;

CLC number: TP212

摘要: 为了能高精度测量小曲率,采用单模-鼓包-保偏光子晶体光纤-多模-单模光纤组成的结构,其中多模光纤和单模光纤之间错位熔接。通过理论分析和实验验证得到在0.04582m-1~0.054776m-1及0.054776m-1~0.06929m-1曲率范围内,谐振波长漂移与曲率变化之间分别存在着线性关系。结果表明,该曲率传感器灵敏度值分别为93.95nm/m-1和30.89nm/m-1,可以应用于健康监测等需要测量小曲率的场合。
- 传感器技术 /
- 曲率传感器 /
- 马赫-曾德干涉仪 /
- 保偏光子晶体光纤
Abstract: For high accuracy of curvature measurement, a curvature sensor with polarization-maintaining photonic crystal fiber (PM-PCF) was proposed based on Mach-Zehnder interferometer structure. The fiber structure of the sensor head was formed by single-mode, up-taper, PM-PCF, multimode and single-mode fibers. Dislocation fusion was done between multimode and single mode fibers. After theoretical analysis and experiment verification, the linear relationship between resonance wavelength shift and curvature change in the curvature range of 0.04582m-1~0.054776m-1 and 0.054776m-1~0.06929m-1 was proved. The results show that the curvature sensor can be implied in health monitoring when the sensitivities of the sensor are 93.95nm/m-1 and 30.89nm/m-1.
- sensor technique /
- curvature sensor /
- Mach-Zehnder interferometer /
- polarization-maintaining photonic crystal fiber

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基于保偏光子晶体光纤的高灵敏度曲率传感器

作者简介: 陈大凤(1989-),女,硕士研究生,现主要从事光纤传感的研究。.

通讯作者: 鲁平, pluriver@mail.hust.edu.cn ;

Highly sensitive curvature sensors based on polarization-maintaining photonic crystal fibers

Corresponding author: LU Ping, pluriver@mail.hust.edu.cn ;

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基于保偏光子晶体光纤的高灵敏度曲率传感器

通讯作者: 鲁平, pluriver@mail.hust.edu.cn;

作者简介: 陈大凤(1989-),女,硕士研究生,现主要从事光纤传感的研究。

English Abstract

Highly sensitive curvature sensors based on polarization-maintaining photonic crystal fibers

Corresponding author: LU Ping, pluriver@mail.hust.edu.cn

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基于保偏光子晶体光纤的高灵敏度曲率传感器

作者简介: 陈大凤(1989-),女,硕士研究生,现主要从事光纤传感的研究。.

通讯作者: 鲁平, pluriver@mail.hust.edu.cn ;

Highly sensitive curvature sensors based on polarization-maintaining photonic crystal fibers

Corresponding author: LU Ping, pluriver@mail.hust.edu.cn ;

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基于保偏光子晶体光纤的高灵敏度曲率传感器

通讯作者: 鲁平, pluriver@mail.hust.edu.cn;

作者简介: 陈大凤(1989-),女,硕士研究生,现主要从事光纤传感的研究。

English Abstract

Highly sensitive curvature sensors based on polarization-maintaining photonic crystal fibers

Corresponding author: LU Ping, pluriver@mail.hust.edu.cn

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目录